EP0341978A3 - Hollow fibers having curved spacing members projecting therefrom and spinnerets for their production - Google Patents

Hollow fibers having curved spacing members projecting therefrom and spinnerets for their production Download PDF

Info

Publication number
EP0341978A3
EP0341978A3 EP19890304677 EP89304677A EP0341978A3 EP 0341978 A3 EP0341978 A3 EP 0341978A3 EP 19890304677 EP19890304677 EP 19890304677 EP 89304677 A EP89304677 A EP 89304677A EP 0341978 A3 EP0341978 A3 EP 0341978A3
Authority
EP
European Patent Office
Prior art keywords
spinnerets
production
hollow fibers
projecting therefrom
spacing members
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19890304677
Other versions
EP0341978A2 (en
EP0341978B2 (en
EP0341978B1 (en
Inventor
Harry Vaughn Samuelson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22709543&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0341978(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of EP0341978A2 publication Critical patent/EP0341978A2/en
Publication of EP0341978A3 publication Critical patent/EP0341978A3/en
Application granted granted Critical
Publication of EP0341978B1 publication Critical patent/EP0341978B1/en
Publication of EP0341978B2 publication Critical patent/EP0341978B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247—Discontinuous hollow structure or microporous structure
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2935—Discontinuous or tubular or cellular core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2975—Tubular or cellular

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
EP89304677A 1988-05-10 1989-05-09 Spinnerets for the production of hollow fibers having curved spacing members projecting therefrom Expired - Lifetime EP0341978B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US192413 1988-05-10
US07/192,413 US4850847A (en) 1988-05-10 1988-05-10 Spinneret for hollow fibers having curved spacing members projecting therefrom

Publications (4)

Publication Number Publication Date
EP0341978A2 EP0341978A2 (en) 1989-11-15
EP0341978A3 true EP0341978A3 (en) 1990-09-19
EP0341978B1 EP0341978B1 (en) 1994-07-20
EP0341978B2 EP0341978B2 (en) 1998-10-14

Family

ID=22709543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89304677A Expired - Lifetime EP0341978B2 (en) 1988-05-10 1989-05-09 Spinnerets for the production of hollow fibers having curved spacing members projecting therefrom

Country Status (5)

Country Link
US (2) US4850847A (en)
EP (1) EP0341978B2 (en)
JP (1) JPH0214010A (en)
KR (1) KR900018427A (en)
DE (1) DE68916852T3 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941812A (en) * 1988-05-10 1990-07-17 E. I. Du Pont De Nemours And Company Spinneret for production of a hollow filament within a hollow filament composite fiber having spacing means
US5972505A (en) * 1989-04-04 1999-10-26 Eastman Chemical Company Fibers capable of spontaneously transporting fluids
US5129812A (en) * 1991-03-28 1992-07-14 Basf Corporation Multiple profile filaments from a single counterbore
US5208107A (en) * 1991-05-31 1993-05-04 Basf Corporation Hollow trilobal cross-section filament
US5362563A (en) * 1991-07-24 1994-11-08 E. I. Du Pont De Nemours And Company Hollow filament cross-sections containing four continuous voids
US5540994A (en) * 1993-02-16 1996-07-30 E. I. Du Pont De Nemours And Company Fiber identification
US5527611A (en) * 1993-02-16 1996-06-18 E. I. Du Pont De Nemours And Company Relating to hollow fiber identification
US5540993A (en) * 1993-02-16 1996-07-30 E. I. Du Pont De Nemours And Company Relating to fiber identification
US5484650A (en) * 1993-02-16 1996-01-16 E. I. Du Pont De Nemours And Company Hollow fiber identification
US5322736A (en) * 1993-06-24 1994-06-21 Alliedsignal Inc. Hollow-trilobal cross-section filaments
US5701629A (en) * 1995-07-19 1997-12-30 Speciality Filaments, Inc. Hollow brush bristle with radiating spokes
US5993784A (en) * 1997-07-24 1999-11-30 Whitehill Oral Technologies Low foaming therapeutic toothpastes with improved cleaning and abrasion performance
US6293950B1 (en) 1999-01-15 2001-09-25 Luitpold Pharmaceuticals, Inc. Resorbable pin systems
JP4649089B2 (en) 2000-03-03 2011-03-09 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Poly (trimethylene terephthalate) yarn
US6752945B2 (en) 2000-09-12 2004-06-22 E. I. Du Pont De Nemours And Company Process for making poly(trimethylene terephthalate) staple fibers
US6458455B1 (en) * 2000-09-12 2002-10-01 E. I. Du Pont De Nemours And Company Poly(trimethylene terephthalate) tetrachannel cross-section staple fiber
US6589653B2 (en) 2001-08-08 2003-07-08 E. I. Du Pont De Nemours And Company Filament having a quadrilobate exterior cross-section and a four-sided void
CA2636098C (en) * 2008-06-25 2012-08-07 Ottawa Fibre L.P. Spinner for manufacturing dual-component irregularly-shaped hollow insulation fiber
CN102713029B (en) 2009-10-29 2015-04-29 巴斯夫欧洲公司 Process for the preparation of hyperbranched hollow fibers
EP2959509B1 (en) 2013-02-14 2018-05-23 Nanopareil, Llc Electrospun hybrid nanofibre felt, method for making the same, and method for purifying biomolecules
US20190233972A1 (en) 2018-01-31 2019-08-01 Saudi Arabian Oil Company Producing Fibers Using Spinnerets
US11406941B2 (en) 2020-02-14 2022-08-09 Saudi Arabian Oil Company Thin film composite hollow fiber membranes fabrication systems
US11253819B2 (en) 2020-05-14 2022-02-22 Saudi Arabian Oil Company Production of thin film composite hollow fiber membranes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585684A (en) * 1966-12-23 1971-06-22 Monsanto Co Spinneret for making complex hollow filaments
US4385886A (en) * 1982-01-21 1983-05-31 E. I. Du Pont De Nemours And Company Spinneret plate
JPS62206008A (en) * 1986-03-03 1987-09-10 Teijin Ltd Crimped, porous hollow fiber and production thereof
JPS62299508A (en) * 1986-06-18 1987-12-26 Teijin Ltd Special bulky yarn and spinneret therefor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL213710A (en) * 1956-05-26
NL6401806A (en) * 1963-12-02 1965-06-03
JPS44899Y1 (en) * 1964-02-02 1969-01-16
JPS43523Y1 (en) * 1966-05-27 1968-01-11
US3558420A (en) * 1967-08-17 1971-01-26 Allied Chem Hollow filaments
US3772137A (en) * 1968-09-30 1973-11-13 Du Pont Polyester pillow batt
SU631566A1 (en) * 1976-04-06 1978-11-05 Всесоюзный научно-исследовательский и экспериментальный институт по переработке химических волокон Spinneret for shaping profiled chemical fibre
US4176150A (en) * 1977-03-18 1979-11-27 Monsanto Company Process for textured yarn
US4325765A (en) * 1977-03-18 1982-04-20 Monsanto Company High speed spinning of large dpf polyester yarn
JPS56101905A (en) * 1980-01-14 1981-08-14 Toyobo Co Ltd Spinneret for melt spinning
DE3040971A1 (en) * 1980-10-30 1982-06-24 Bayer Ag, 5090 Leverkusen DRY WOVEN POLYACRYLNITRILE HOLLOW FIBERS AND FILMS AND A METHOD FOR THE PRODUCTION THEREOF
JPS6017109A (en) * 1983-07-04 1985-01-29 Kanegafuchi Chem Ind Co Ltd Yarn for brush
JPS60182948A (en) * 1984-02-29 1985-09-18 北浜　清 Body revolving apparatus
US4648830A (en) * 1985-05-13 1987-03-10 Allied Corporation Spinnerette for producing hollow trilobal cross-section filament
JPH06144022A (en) * 1992-11-06 1994-05-24 Yanmar Diesel Engine Co Ltd Soundproofing device for traveling working vehicle
JP3173896B2 (en) * 1992-11-09 2001-06-04 株式会社クボタ Backhoe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585684A (en) * 1966-12-23 1971-06-22 Monsanto Co Spinneret for making complex hollow filaments
US4385886A (en) * 1982-01-21 1983-05-31 E. I. Du Pont De Nemours And Company Spinneret plate
JPS62206008A (en) * 1986-03-03 1987-09-10 Teijin Ltd Crimped, porous hollow fiber and production thereof
JPS62299508A (en) * 1986-06-18 1987-12-26 Teijin Ltd Special bulky yarn and spinneret therefor

Also Published As

Publication number Publication date
US4850847A (en) 1989-07-25
KR900018427A (en) 1990-12-21
EP0341978A2 (en) 1989-11-15
EP0341978B2 (en) 1998-10-14
US4956237A (en) 1990-09-11
DE68916852D1 (en) 1994-08-25
DE68916852T3 (en) 1999-04-01
DE68916852T2 (en) 1995-02-16
JPH0214010A (en) 1990-01-18
EP0341978B1 (en) 1994-07-20

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